Chancellor Angela Merkel, who has ruled Germany since 2005, has decided to run for a fourth term and has started planning her 2017 re-election campaign, according to an unsourced report on Saturday in Der Spiegel news magazine. A spokeswoman for Merkel's Christian Democrat (CDU) party declined to comment on the report. The chancellor is on a hiking holiday in the Alps. Merkel, who turned 61 on July 17, has not made any public comments about whether she would run for a fourth term, although...